How to Scrape Mercari Product Data with Python and Points to Note

When scraping Mercari product data using Python, the basic workflow involves using libraries such as requests, BeautifulSoup, ...
Ars Technica

[Solved] Python: XML and Xpath are killing me

I'm trying to run Xpath queries using etree, but I can't seem to figure out the Xpath syntax. Here's a (sanitized) section of my XML document. 1) Query using XML based on some value like the 'id' or ...